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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build RxOptional, reference v5.0.6 (8fc89d), with Swift 5.10 for watchOS using Xcode 15.4 on 6 Oct 2024 23:08:55 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme RxOptional -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.55.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/RxSwiftCommunity/RxOptional.git
Reference: v5.0.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/RxSwiftCommunity/RxOptional
 * tag               v5.0.6     -> FETCH_HEAD
HEAD is now at 8fc89dd 5.0.6
Cloned https://github.com/RxSwiftCommunity/RxOptional.git
Revision (git rev-parse @):
8fc89dd1d45e0207b3df29c9dd02bdb39e431f3a
SUCCESS checkout https://github.com/RxSwiftCommunity/RxOptional.git at v5.0.6
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             5.10
Building package at path:  $PWD
https://github.com/RxSwiftCommunity/RxOptional.git
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "rxswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "6.0.0",
            "upper_bound" : "7.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ReactiveX/RxSwift.git"
    },
    {
      "identity" : "quick",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Quick.git"
    },
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "9.0.0",
            "upper_bound" : "10.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble.git"
    }
  ],
  "manifest_display_name" : "RxOptional",
  "name" : "RxOptional",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "RxOptional",
      "targets" : [
        "RxOptional"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "RxOptionalTests",
      "module_type" : "SwiftTarget",
      "name" : "RxOptionalTests",
      "path" : "Tests/RxOptionalTests",
      "product_dependencies" : [
        "Quick",
        "Nimble"
      ],
      "sources" : [
        "OccupiableOperatorsTests.swift",
        "OptionalOperatorsTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "RxOptional"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RxOptional",
      "module_type" : "SwiftTarget",
      "name" : "RxOptional",
      "path" : "Sources",
      "product_dependencies" : [
        "RxSwift",
        "RxCocoa"
      ],
      "product_memberships" : [
        "RxOptional"
      ],
      "sources" : [
        "RxOptional/Observable+Occupiable.swift",
        "RxOptional/Observable+Optional.swift",
        "RxOptional/Occupiable.swift",
        "RxOptional/OptionalType.swift",
        "RxOptional/RxOptionalError.swift",
        "RxOptional/SharedSequence+Occupiable.swift",
        "RxOptional/SharedSequence+Optional.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "RxOptional",
    "schemes" : [
      "RxOptional iOS",
      "RxOptional macOS",
      "RxOptional tvOS",
      "RxOptional watchOS"
    ],
    "targets" : [
      "RxOptional iOS",
      "RxOptional macOS",
      "RxOptional tvOS",
      "RxOptional watchOS",
      "RxOptionalTests iOS",
      "RxOptionalTests macOS",
      "RxOptionalTests tvOS"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "RxOptional"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme RxOptional -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme RxOptional -destination generic/platform=watchOS
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  CwlCatchException: https://github.com/mattgallagher/CwlCatchException.git @ 2.0.0
  Nimble: https://github.com/Quick/Nimble.git @ 9.0.0
  RxOptional: /Users/admin/builder/spi-builder-workspace
  RxSwift: https://github.com/ReactiveX/RxSwift.git @ 6.0.0
  Quick: https://github.com/Quick/Quick.git @ 3.0.0
  CwlPreconditionTesting: https://github.com/mattgallagher/CwlPreconditionTesting.git @ 2.0.0
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (8 targets)
    Target 'RxOptional' in project 'RxOptional'
        ➜ Explicit dependency on target 'RxOptional' in project 'RxOptional'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoa' in project 'RxSwift'
    Target 'RxOptional' in project 'RxOptional'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoa' in project 'RxSwift'
    Target 'RxCocoa' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoa' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxRelay' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoaRuntime' in project 'RxSwift'
    Target 'RxCocoa' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxRelay' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoaRuntime' in project 'RxSwift'
    Target 'RxCocoaRuntime' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
    Target 'RxRelay' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
    Target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
    Target 'RxSwift' in project 'RxSwift' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -v
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
Build description signature: f6a3eefa7ccffef94874f46df8de862f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/f6a3eefa7ccffef94874f46df8de862f.xcbuilddata
error: The package product 'RxSwift' requires minimum platform version 5.0 for the watchOS platform, but this target supports 4.0 (in target 'RxOptional' from project 'RxOptional')
error: The package product 'RxCocoa' requires minimum platform version 5.0 for the watchOS platform, but this target supports 4.0 (in target 'RxOptional' from project 'RxOptional')
** BUILD FAILED **
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme RxOptional -destination generic/platform=watchOS
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  Quick: https://github.com/Quick/Quick.git @ 3.0.0
  Nimble: https://github.com/Quick/Nimble.git @ 9.0.0
  CwlPreconditionTesting: https://github.com/mattgallagher/CwlPreconditionTesting.git @ 2.0.0
  RxOptional: /Users/admin/builder/spi-builder-workspace
  CwlCatchException: https://github.com/mattgallagher/CwlCatchException.git @ 2.0.0
  RxSwift: https://github.com/ReactiveX/RxSwift.git @ 6.0.0
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (8 targets)
    Target 'RxOptional' in project 'RxOptional'
        ➜ Explicit dependency on target 'RxOptional' in project 'RxOptional'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoa' in project 'RxSwift'
    Target 'RxOptional' in project 'RxOptional'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoa' in project 'RxSwift'
    Target 'RxCocoa' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoa' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxRelay' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoaRuntime' in project 'RxSwift'
    Target 'RxCocoa' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxRelay' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxCocoaRuntime' in project 'RxSwift'
    Target 'RxCocoaRuntime' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
    Target 'RxRelay' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
    Target 'RxSwift' in project 'RxSwift'
        ➜ Explicit dependency on target 'RxSwift' in project 'RxSwift'
    Target 'RxSwift' in project 'RxSwift' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -v
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-15.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-15.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS10.5.sdk -x c -c /dev/null
Build description signature: f6a3eefa7ccffef94874f46df8de862f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/f6a3eefa7ccffef94874f46df8de862f.xcbuilddata
error: The package product 'RxSwift' requires minimum platform version 5.0 for the watchOS platform, but this target supports 4.0 (in target 'RxOptional' from project 'RxOptional')
error: The package product 'RxCocoa' requires minimum platform version 5.0 for the watchOS platform, but this target supports 4.0 (in target 'RxOptional' from project 'RxOptional')
** BUILD FAILED **
BUILD FAILURE 5.10 watchOS